😂 Sleep is a vital biological process that allows the body and mind to rest, recover, and rejuvenate. During sleep, the brain consolidates memories, processes emotions, and clears out waste products that accumulate throughout the day. Physically, sleep supports immune function, tissue repair, and growth. Most adults need between seven to nine hours of quality sleep per night, although individual needs can vary. Without enough rest, cognitive performance, mood, and overall health can decline rap